80333277778 has 8 divisors (see below), whose sum is σ = 129769141068. Its totient is φ = 37076897424.

The previous prime is 80333277733. The next prime is 80333277781. The reversal of 80333277778 is 87777233308.

It can be written as a sum of positive squares in 2 ways, for example, as 60077441449 + 20255836329 = 245107^2 + 142323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544870701 + ... + 1544870752.

Almost surely, 2^80333277778 is an apocalyptic number.

80333277778 is a deficient number, since it is larger than the sum of its proper divisors (49435863290).

80333277778 is a wasteful number, since it uses less digits than its factorization.

80333277778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089741468.

The product of its (nonzero) digits is 8297856, while the sum is 55.

The spelling of 80333277778 in words is "eighty billion, three hundred thirty-three million, two hundred seventy-seven thousand, seven hundred seventy-eight".